MANGANESE DIOXIDE

PRODUCT IDENTIFICATION

CAS NO 1313-13-9
FORMULA MnO2
MOL WT. 86.94

H.S. CODE

2820.10
TOXICITY LD50 oral rat : 3478 mg/kg.
SYNONYMS Manganese (IV) oxide; Manganese Black; Pyrolusite
Black Dioxide; Manganese oxide; Manganese (IV) dioxide; Manganese Peroxide;
RAW MATERIALS  

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE Gray lumps or black to brownish-black powder
MELTING POINT 1539 C
BOILING POINT  
SPECIFIC GRAVITY 5.0
SOLUBILITY Insoluble
pH 9 - 10 (10% aqueous slurry)
NFPA RATING Health: 2 Flammability: 0 Reactivity: 1
VAPOR DENSITY  
FLASH POINT

 

STABILITY Stable under ordinary conditions

APPLICATIONS

Used as a chemical oxidant in organic synthesis. It is used in electric dry cells as the cathode material
SALES SPECIFICATION

APPEARANCE

black to brownish-black powder
PURITY

91.0% min

Fe

0.05% max

Pb

0.2% max

Cu

0.0001% max

PARTICLE SIZE

200mesh

TRANSPORTATION
PACKING 25kgs, 50kgs and 1mt in Bag
HAZARD CLASS 5.1
UN NO. 1479
REMARKS